The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2002
Filed:
Jun. 08, 2000
Peter Brandt, Aschaffenburg, DE;
Dietmar Tippl, Kelkheim, DE;
Mannesmann VDO AG, Frankfurt, DE;
Abstract
In a liquid crystal display ( ), a laterally arranged light coupling surface ( ) permits the active illumination of the liquid crystal display ( ) by a light source ( ). For this purpose, the liquid crystal display ( ) has a light deflecting element ( ) which deflects the incident optical radiation in the direction of a liquid crystal cell ( ). The light polarized by means of a rear polarization filter ( ) is reflected at a rear, reflective element ( ) and deflected into the liquid crystal cell ( ). The segmented display is therefore produced on a front side ( ) of the liquid crystal display ( ), provided with a front polarization filter ( ). By contrast with known liquid crystal displays having a transflector, it is thereby possible substantially to reduce a possible color deviation and the limited readability associated therewith. At the same time, the cost of production and the overall space required are substantially reduced.